hvk: check for EVK_IP before compiling

diff --git a/scripts/hvk-compile.sh b/scripts/hvk-compile.sh
index 2621ab6..6505651 100755 (executable)
--- a/scripts/hvk-compile.sh
+++ b/scripts/hvk-compile.sh
@@ -48,6 +48,10 @@ if [ $# -gt 1 ]; then
     exit 1
 fi
 
+if [ ${#} -eq 1 ]; then
+    EVK_IP="${1}"
+fi
+
 if [ ! -f .config ]; then
     echo "Missing configuration file .config."
     echo "Configure your kernel by running 'hvk-init.sh'"
@@ -77,9 +81,7 @@ elif [ x"${mode}" = x"uboot" ]; then
     ${KMAKE} u-boot-initial-env
 fi
 
-if [ ${#} -eq 1 ]; then
-    EVK_IP="${1}"
-
+if [ "${EVK_IP}" != "" ]; then
     scp ${BOOT_SRC}/Image root@${EVK_IP}:${BOOT_DEST}/Image-latest
 
     scp ${DTB_SRC} root@${EVK_IP}:${BOOT_DEST}/latest.dtb